| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMKR | Common Stock | Options Exercise | $0 | +4.18K | +11.47% | $0.00 | 40.6K | Feb 16, 2024 | Direct | |
| transaction | AMKR | Common Stock | Tax liability | -$53.6K | -1.79K | -4.4% | $30.01 | 38.8K | Feb 16, 2024 | Direct | F1 |
| transaction | AMKR | Common Stock | Options Exercise | $25.6K | +2.7K | +6.96% | $9.48 | 41.5K | Feb 16, 2024 | Direct | |
| transaction | AMKR | Common Stock | Sale | -$81.9K | -2.7K | -6.5% | $30.34 | 38.8K | Feb 16, 2024 | Direct | F2, F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMKR | Restricted Stock Units | Options Exercise | $0 | -4.18K | -25% | $0.00 | 12.5K | Feb 16, 2024 | Common Stock | 4.18K | $0.00 | Direct | F4 |
| transaction | AMKR | Employee Stock Option (Right-to-Buy) | Options Exercise | $0 | -2.7K | -49.09% | $0.00 | 2.8K | Feb 16, 2024 | Common Stock | 2.7K | $9.48 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | The transaction represents shares withheld by Amkor Technology, Inc. (the "Issuer") in connection with the vesting of certain restricted stock units ("RSUs") granted to the Reporting Person on February 16, 2023 (the "Grant Date") pursuant to the Issuer's 2021 Equity Incentive Plan, as amended, and the related award agreement. These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person. |
| F2 | The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 23, 2023. |
| F3 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $29.87 to $30.61. The Reporting Person hereby undertakes to provide, upon request, to the staff of the Securities and Exchange Commission, Amkor Technology, Inc. (the "Issuer"), or any security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4. |
| F4 | On the Grant Date, the Reporting Person was granted 16,703 RSUs which vest in four equal annual installments beginning on the first anniversary of the Grant Date. |
| F5 | This stock option (the "Option") to acquire 150,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 15, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date. |